WM8731SEDS/V Wolfson Microelectronics, WM8731SEDS/V Datasheet - Page 59

• Manufacturer Part Number: WM8731SEDS/V
• Description: Audio CODECs Stereo Codec with H/P
• Manufacturer: Wolfson Microelectronics

Specifications of WM8731SEDS/V

• Interface Type: Serial (2-Wire or 3-Wire), I2S
• Resolution: 24 bit
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 2 ADC / 2 DAC
• Snr: 90 dB
• Thd Plus Noise: - 84 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8731 / WM8731L
DIGITAL DE-EMPHASIS CHARACTERISTICS
Figure 51 De-Emphasis Frequency Response (32kHz)
Figure 53 De-Emphasis Frequency Response (44.1kHz)
Figure 55 De-Emphasis Frequency Response (48kHz)
w
-10
-10
-10
-2
-4
-6
-8
-2
-4
-6
-8
-2
-4
-6
-8
0
0
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0
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0
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Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
10000
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10000
15000
15000
12000
20000
14000
20000
16000
Figure 52 De-Emphasis Error (32kHz)
Figure 54 De-Emphasis Error (44.1kHz)
Figure 56 De-Emphasis Error (48kHz)
-0.1
-0.2
-0.3
-0.4
-0.1
-0.2
-0.3
-0.4
-0.1
-0.2
-0.3
-0.4
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0.3
0.2
0.1
0.4
0.3
0.2
0.1
0.4
0.3
0.2
0.1
0
0
0
0
0
0
2000
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Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
10000
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10000
15000
15000
PD, Rev 4.8, April 2009
12000
20000
Production Data
14000
20000
16000
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